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79368768457 = 1119379754873
BaseRepresentation
bin100100111101010111…
…1110100101111001001
321120212100100012002221
41021322233310233021
52300021401042312
6100243404054041
75506555254256
oct1117257645711
9246770305087
1079368768457
1130729667520
1213470534321
13763b422824
143bacdc242d
1520e7d82207
hex127abf4bc9

79368768457 has 8 divisors (see below), whose sum is σ = 91141169760. Its totient is φ = 68355876960.

The previous prime is 79368768371. The next prime is 79368768463. The reversal of 79368768457 is 75486786397.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79368768457 - 215 = 79368735689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79368768497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189877228 + ... + 189877645.

It is an arithmetic number, because the mean of its divisors is an integer number (11392646220).

Almost surely, 279368768457 is an apocalyptic number.

It is an amenable number.

79368768457 is a deficient number, since it is larger than the sum of its proper divisors (11772401303).

79368768457 is a wasteful number, since it uses less digits than its factorization.

79368768457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379754903.

The product of its digits is 426746880, while the sum is 70.

The spelling of 79368768457 in words is "seventy-nine billion, three hundred sixty-eight million, seven hundred sixty-eight thousand, four hundred fifty-seven".

Divisors: 1 11 19 209 379754873 4177303603 7215342587 79368768457